Article 5
(1)
The authorisation given by article 4(1) above shall cease forthwith in respect of an exempted vehicle which is operated by a person other than North Western Train Company Limited, unless the Secretary of State has been given written notice in advance specifying the name and address of that other person.
(2)
The authorisation given by article 4(1) above shall cease at the end of 31st December 2000.